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9.2 Converter Check / Calibration
9.2.1 0% Flow Rate Calibration (Zero Calibration)
Using Mag-Prover internal calibration circuit, 0% flow rate (hereafter called zero point) calibration
can be performed.
Checking the zero point
Switch operation Display example Description
P1:FLOW CAL 0
0.0 %
Select P1:FLOW CAL 0 from the calibration item selection
menu.
Zero point using the simulation input appears.
P
1:FLOW CAL 0
Returns to the menu of calibration item selection.
Calibrating the zero point
Switch operation Display example Description
P1:FLOW CAL 0
0.1 %
Select P1:FLOW CAL 0 from the calibration item selection
menu.
Zero point using the simulation input appears.
ADJUST READY
0.1 %
Press
. Then the display shown left appears and the system
is ready for zero calibration. (Note 1)
P1:FLOW CAL 0%
* CAL. 0% ADJ.
The display shown left appears and zero calibration starts.
−
P1:FLOW CAL 0
0.0 %
About 3 to 6 seconds later (Note 2), the zero calibration ends
and a new zero point appears.
P
1:FLOW CAL 0%
Returns to the menu of calibration item selection.
Note 1: To cancel the adjustment from the condition of ADJUST READY, press
CANCEL
. The display returns
to the condition where zero point using the simulation input is displayed.
Note 2: Calibration time differs depending on the exciting frequency.